Una goma de auto tiene un diámetro de
18 pulgadas. ¿Cuál es el área de la goma
en pulgadas cuadradas?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

What is the first step of an indirect proof of a number that is divisible by two